2011 GMC Canyon Regular Cab Owner's Manual - Page 308

10-56 Vehicle Care Vehicle Capacity Weight: The number of designated seating positions multiplied by 68 kg (150 lbs) plus the rated cargo load. See Vehicle Load Limits on page 9‑22. Vehicle Maximum Load on the Tire: Load on an individual tire due to curb weight, accessory weight, occupant weight, and cargo weight. Vehicle Placard: A label permanently attached to a vehicle showing the vehicle's capacity weight and the original equipment tire size and recommended inflation pressure. See "Tire and Loading Information Label" under Vehicle Load Limits on page 9‑22. Treadwear Indicators: Narrow bands, sometimes called wear bars, that show across the tread of a tire when only 1.6 mm (1/16 inch) of tread remains. See When It Is Time for New Tires on page 10‑65. UTQGS (Uniform Tire Quality Grading Standards): A tire information system that provides consumers with ratings for a tire's traction, temperature, and treadwear. Ratings are determined by tire manufacturers using government testing procedures. The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading on page 10‑68. Tire Pressure Tires need the correct amount of air pressure to operate effectively. Notice: Do not let anyone tell you that underinflation or overinflation is all right. It is not. If the tires do not have enough air (underinflation), you can get the following: . Tire overloading and over-heating which could lead to a blowout. Premature or irregular wear. Poor handling. Reduced fuel economy. . . .